Unlimited data, recommended for use in urban areas!
Y!mobile offers a service called unlimited data advanced mode, which is available only with devices compatible with it.
It enables you to connect with the internet without worrying about the data capacity and the transmission speed. Although the service does not available in many rural areas yet, you can use it in urban areas without any problems.
Regular mode covers area wider than that of with the advanced mode, however, if you over the data capacity of 7GB, the transmission speed decreases to 128kbps.
Note that if you change the mode to the advanced in that situation, the speed does not be changed until that month is over.